package cn.tfyhyc.springcloud.controller;

import cn.tfyhyc.springcloud.entities.CommonResult;
import cn.tfyhyc.springcloud.entities.Payment;
import cn.tfyhyc.springcloud.handler.CustomerBlockHandler;
import com.alibaba.csp.sentinel.annotation.SentinelResource;
import com.alibaba.csp.sentinel.slots.block.BlockException;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

/**
 * @author 头发又黑又长
 * @Date 2022/10/28 9:13
 * @email zwb15083976291@163.com
 */
@RestController
public class RateLimitController {

    @GetMapping("/byResource")
    @SentinelResource(value = "byResource", blockHandler = "handleException")
    public CommonResult byResource() {
        return new CommonResult(200, "按资源名称限流测试OK", new Payment(2020L, "serial001"));
    }

    public CommonResult handleException(BlockException exception) {
        return new CommonResult(400, exception.getClass().getCanonicalName() + "\t 服务不可用");
    }


    @GetMapping("/rateLimit/byUrl")
    @SentinelResource(value = "byUrl")
    public CommonResult byUrl() {
        return new CommonResult(200, "按url限流测试OK", new Payment(2020L, "serial002"));
    }


    @GetMapping("/rateLimit/customerBlockHandler")
    @SentinelResource(value = "customerBlockHandler",
            blockHandlerClass = CustomerBlockHandler.class,//<-------- 自定义限流处理类
            blockHandler = "handlerException2")//<----------- 限流处理类的哪一个方法进行限流提示返回
    public CommonResult customerBlockHandler() {
        return new CommonResult(200, "按客戶自定义", new Payment(2020L, "serial003"));
    }
}
